NYC-WTC_000023991
Laboratory report showing GC/MS analysis of sample AE10984 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Laboratory report showing GC/MS analysis of sample AE10983 with surrogate recovery data for 2,4-DDD.
NYC-WTC_000023949–000023969Folder label: “GCMS X 5/10/02 A 5/14/02”

OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document WLp tilit LSD
Data File : C:\MSDCHEM\l\DATA\051402\10983.D Vial: 12 Acq On : 14 May 2002 10:28 pm Operator: Mclean Sample : 5/10 kb Inst : Instrumen Mise : Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan Library : C:\DATABASE\NIST98.L Peak Number 5 2-Pentanone, 4-hydroxy-4-me ... Concentration Rank 1
R.T. EstConc Area Relative to ISTD R.T.
5.98 20.48 ug/L 19762400 1,4 -Dichlorob'enzene-d4 9.94 Hit# of 5 Tentative ID MW MolForm CAS# Qual
1 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 78 2 2-Pentanone, 4-hydroxy-4-methyl- 116 C6H1202 000123-42-2 3 2 -Pent anone, 4-hydroxy-4-methyl- 116 C6H12O2 000123-42-2 50 4 Acetone____ 58 C3H60 000067-641 32 Abundance Scan 494 (5.982 min): 10983.D (-474) (-) m/z 43.10 100.00% 4}3
5000- 59 101 5.60 5.80 6.00 6.20 6.40 69 75 83 , | 117 125 O+ ............. 37,11 । । ■ ■ ■ ■ । । ■ i ■ ■ ■ < । 1 ■ ■ ■ i ■ ■ ■ * I ■ ■ 1 ' i ' ■ m/z 59.10 36.30% miz-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #109755:2-Pentanone, 4-hydroxy-4-methyl- 43 ) 5000 1 i > 1 ■ > । < 1 "II’III’’ 59 5.60 5.80 6.00 6.20 6.40 m/z 58.10 21.22% 15 31 101
m/z-> 0! TTT 10 I 20 25, I 37, ,, 30 40 50 +53+ 83 , | ■ I ■ ■ ■ ' i 1 1 ' 1 i ''' 1 1 i ' ■ ■ 1 i 1 ■ 1 ■ i ■ 1 1 ■ i ■ ■ ' ■ i ■ ■
60 70 80 90 100 110 120 130 Abundance #109756: 2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 5000 59 m/z 101.10 14.56%
..... .—1 137, 93 — 101 Of ,,, TTmrTu CTIT I'" I' ''I m/z-> 10 20 30 40 50 60 70 80 90 100 110 120 130 Abundance #5851:2-Pentanone, 4-hydroxy-4-methyl- 43 5.60 5.80 6.00 6.20 6.40 m/z 41.10 5.99%
5000- 59 101
m/z-> 0 ....... 10 20 27,1.37,1 30 40 50 53,| . 67, . 77,83 91 60 Hr TT’T 70 80 90 100 110 120 130 ' ' 1 i 1 ' 1 1 i ' ■ ‘ 1 i ■ ' 1 ' i r ■ ,.......... 5.60 5.80 .............. ................. 6.00 6.20 6.40
10983 .D 050102 .M Thu May 16 14:39:41 2002 Page 8
NYC-WTC_000023961
OCR can misread numbers and units. Confirm readings against the page image before using them.
Ranked by indexed similarity. Reasons describe shared subjects and filing context; check the source records.
NYC-WTC_000023991
Laboratory report showing GC/MS analysis of sample AE10984 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024167
Lab notes regarding low recovery in sample AE10206 requiring re-extraction and successful re-analysis on May 21, 2002.
1 shared topics · Same agency, volume and box · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023925
Laboratory report showing GC/MS analysis of sample AE10982 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023871
Laboratory report showing GC/MS analysis of sample AE10901 with surrogate recovery data for 2,4-DDD.
1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025304
Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11415 conducted on May 28, 2002.
1 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023179
Laboratory report showing GCMS analysis of sample AE09577 conducted on May 14, 2002.
1 shared topics · Same agency, volume and box · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014281
Gas chromatography mass spectrometry results for sample AE12323 including surrogate recovery data analyzed on June 7, 2002.
1 shared non-person entities · 1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046064
Gas chromatography-mass spectrometry report for sample AE10813 showing detection of unknown compounds and surrogate recovery.
1 shared topics · similarity 0.995
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000014079
Laboratory report documenting gas chromatography-mass spectrometry analysis of environmental sample AE12473 conducted on June 4, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044408
Laboratory report documenting GCMS analysis of sample AE10134 conducted on May 8, 2002.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000046094
Gas chromatography-mass spectrometry report for sample AE10815 showing detection of unknown compounds and surrogate recovery.
1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000045984
Gas chromatography-mass spectrometry report for sample AE10809 showing detection of unknown compounds and surrogate recovery.
1 shared non-person entities · 1 shared topics · similarity 0.994
machine-extracted · confidence unavailable · Check page ↗Similar subjects in other documents. Similarity does not establish the same event, measurement or conclusion.
NYC-WTC_000023871
Laboratory report showing GC/MS analysis of sample AE10901 with surrogate recovery data for 2,4-DDD.
Similarity score 0.981 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025319
Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11416 conducted on May 28, 2002.
Similarity score 0.979 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000024167
Lab notes regarding low recovery in sample AE10206 requiring re-extraction and successful re-analysis on May 21, 2002.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000044731
Laboratory report documenting GCMS analysis of sample AE08756 conducted on May 8, 2002.
Similarity score 0.978 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000023156
Laboratory report showing GCMS analysis of sample AE09576 conducted on May 14, 2002.
Similarity score 0.977 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000025274
Laboratory report documenting gas chromatography/mass spectrometry analysis of sample AE11413 conducted on May 28, 2002.
Similarity score 0.977 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
NYC-WTC_000023840
Department of Environmental Protection administrative record sheet for World Trade Center site activities dated May 2002.
Filed in the same folder
NYC-WTC_000023841
Document containing sample identifier NYC-WTC_000023840 associated with Department of Environmental Protection testing records.
Filed in the same folder
NYC-WTC_000023843
Laboratory report showing non-detectable levels of nitrosamines and other contaminants in a GC/MS blank sample AE10901.
Filed in the same folder
NYC-WTC_000023859
Calibration data for volatile organic compounds including nitrobenzene and isophorone from sample AE10901 analysis.
Filed in the same folder
NYC-WTC_000023863
Calibration data for volatile organic compounds including nitrobenzene and isophorone from sample AE10901 analysis.
Filed in the same folder